US8923777B2 - Low-IF transceiver architecture - Google Patents
Low-IF transceiver architecture Download PDFInfo
- Publication number
- US8923777B2 US8923777B2 US13/776,475 US201313776475A US8923777B2 US 8923777 B2 US8923777 B2 US 8923777B2 US 201313776475 A US201313776475 A US 201313776475A US 8923777 B2 US8923777 B2 US 8923777B2
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- antenna
- transceiver
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- receiver
- transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
- H04B1/0082—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
- H04B1/0085—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band where one band is the image frequency band of the other and the band selection is done by image rejection
Definitions
- FIG. 1 illustrates a conventional 50 ohms and low-IF receiver
- FIG. 7 illustrates an example of the transmitter operation in the first frequency band
- FIG. 19C illustrates an example of an adjustable capacitive element of FIG. 19A ;
- the in-phase signal path 200 may be connected to the modulator 144 through a digital/analog (D/A) converter 146 .
- the quadrature signal path 202 may be connected to the modulator 44 through a digital/analog (D/A) converter 148 .
- 212 may be used to represent the first output of the switch 168 or the first input of the polyphase filter 160 ;
- 214 may be used to represent the second output of the switch 168 or the second input of the polyphase filter 160 .
- FIGS. 4A and 4B are diagrams illustration examples of the dual band operation of the transceiver 100 of FIG. 3 .
- “B 1 ” represents one frequency band (frequency band 1 ); “B 2 ” represents another frequency band (frequency band 2 ).
- frequency band B 2 will be passed through the filter 174 and frequency band B 1 will be behaved as image band and will be rejected.
- the switch SW 5 connects inputs 230 a and 230 b to outputs 234 a and 234 b and connects inputs 232 a and 232 b to outputs 236 a and 236 b , based on the band select control 222 .
- the switch SW 5 includes switch transistors 240 and 242 for connecting the inputs 230 a and 230 b to the first outputs 234 a and 234 b , and switch transistors 244 and 246 for connecting the inputs 232 a and 232 b to the second outputs 236 a and 236 b.
- FIG. 12 is a diagram illustrating another example of the band select switch of FIG. 1 .
- the band select switch 270 of FIG. 12 corresponds to the band select switches 130 and 160 of FIG. 3 .
- the band select switch 270 includes a switch SW 7 and a switch SW 8 .
- a band select control 222 is provided to the band select switch 270 .
- the band select control 222 is inverted by the inverter 224 .
- FIG. 13 is an example of a diagram illustrating implementation of the 90 degree phase shift for the second stage of image rejection at the receiver side 104 of FIG. 3 .
- the left side of FIG. 13 illustrates the relationship among the output from the polyphase filter 160 , the shifter 170 and the adder 172 .
- the right side of FIG. 13 illustrates an example of a path from the output of the polyphase filter 160 to the adder 172 .
- Image rejection is enhanced by combination of two image rejection techniques.
- the first stage of image rejection is done by the polyphase filter 160 .
- the next stage of image rejection includes 90 degree-phase shift path 186 and the adder 172 , and is done by adding 90 degree phase shift ( 170 ) at the output of one of the polyphase filter's path and adding the two paths together ( 172 ).
- each of the programmable matching blocks 116 a and 116 b includes the connections 310 a and 310 b for communicating with an antenna (e.g., 190 of FIG. 3 ) and connections 314 a and 314 b for communicating with the PA 152 and LNA 162 of FIG. 3 .
- Each of the programmable matching blocks 116 a and 116 b may be a module and be detachably connectable to the PA and LNA via 314 a and 314 b.
- “ 532 ” represents an inductive antenna which is an example of the antenna attached to the transceiver 100 of FIG. 3 .
- “ 534 ” shows direct matching of the inductive antenna 532 to the capacitive circuit 520 through the programmable matching block ( 116 ) having an adjustable capacitive element 536 .
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
Description
AIF·Sin(ωIFt)×ALO·Cos(ωLOt)−AIF·Cos(ωIFt)×ALO·Sin(ωLOt)=−AIF·ALO·Sin((ωLO−ωIF)t).
AIF·Cos(ωIFt)×ALO·Cos(ωLOt)−AIF·Sin(ωIFt)×ALO·Sin(ωLOt)=AIF·ALO·Cos((ωLO+ωIF)t).
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/776,475 US8923777B2 (en) | 2007-09-14 | 2013-02-25 | Low-IF transceiver architecture |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US97234107P | 2007-09-14 | 2007-09-14 | |
US12/209,774 US8385841B2 (en) | 2007-09-14 | 2008-09-12 | Low-IF transceiver architecture |
US13/776,475 US8923777B2 (en) | 2007-09-14 | 2013-02-25 | Low-IF transceiver architecture |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/209,774 Division US8385841B2 (en) | 2007-09-14 | 2008-09-12 | Low-IF transceiver architecture |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140029682A1 US20140029682A1 (en) | 2014-01-30 |
US8923777B2 true US8923777B2 (en) | 2014-12-30 |
Family
ID=40085757
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/209,774 Active 2031-06-11 US8385841B2 (en) | 2007-09-14 | 2008-09-12 | Low-IF transceiver architecture |
US13/776,475 Active US8923777B2 (en) | 2007-09-14 | 2013-02-25 | Low-IF transceiver architecture |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/209,774 Active 2031-06-11 US8385841B2 (en) | 2007-09-14 | 2008-09-12 | Low-IF transceiver architecture |
Country Status (3)
Country | Link |
---|---|
US (2) | US8385841B2 (en) |
EP (2) | EP2037591B1 (en) |
CA (1) | CA2639568C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150288400A1 (en) * | 2014-04-04 | 2015-10-08 | Marvell World Trade Ltd. | Impedance matching for variable impedance antennas |
CN106357276A (en) * | 2015-07-13 | 2017-01-25 | 联发科技股份有限公司 | Multi-mixer system and associated receiver and signal processing method |
US11709378B2 (en) | 2021-03-17 | 2023-07-25 | Tectus Corporation | IQ matching circuit for contact lens radio receiver |
Families Citing this family (15)
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US8494455B2 (en) | 2009-11-19 | 2013-07-23 | Qualcomm, Incorporated | Methods and apparatus for a resonant transmit/receive switch with transformer gate/source coupling |
US8626084B2 (en) * | 2010-05-13 | 2014-01-07 | Qualcomm, Incorporated | Area efficient concurrent matching transceiver |
US8462035B2 (en) | 2011-05-13 | 2013-06-11 | Infineon Technologies Ag | Digital-to-analog conversion arrangement with power range dependent D/A converter selection |
US8604958B2 (en) | 2011-05-13 | 2013-12-10 | Intel Mobile Communications GmbH | RF DAC with configurable DAC mixer interface and configurable mixer |
DE102011075796B4 (en) | 2011-05-13 | 2015-02-19 | Intel Mobile Communications GmbH | Mixer cell, modulator and method |
US9276800B2 (en) * | 2011-09-14 | 2016-03-01 | Electronics And Telecommunications Research Institute | Single frequency synthesizer based FDD transceiver |
US20130156074A1 (en) * | 2011-12-14 | 2013-06-20 | Aviacomm Inc. | Wideband rf front-end |
DK2750408T3 (en) * | 2012-12-28 | 2019-06-11 | Gn Hearing As | Hearing aid with an adaptive antenna matching mechanism and a method for adaptively matching a hearing aid antenna |
US9414170B2 (en) * | 2012-12-28 | 2016-08-09 | Gn Resound A/S | Hearing aid having an adaptive antenna matching mechanism and a method for adaptively matching a hearing aid antenna |
TW201547215A (en) * | 2014-06-03 | 2015-12-16 | Univ Nat Taiwan | Radio frequency transmitting device and radio frequency receiving device |
US20150381112A1 (en) * | 2014-06-27 | 2015-12-31 | Qualcomm Incorporated | Filter with an auxiliary mixing path |
WO2017120528A1 (en) * | 2016-01-07 | 2017-07-13 | Georgia Tech Research Corporation | Reconfigurable antennas and methods of operating the same |
US10389572B2 (en) * | 2017-06-23 | 2019-08-20 | Integrated Device Technology, Inc. | Circuits and systems for wideband quadrature signal generation |
US10979091B1 (en) * | 2019-07-22 | 2021-04-13 | Rockwell Collins, Inc. | Reconfigurable wideband image suppressing receiver |
CN114157321B (en) * | 2022-02-09 | 2022-04-22 | 成都嘉纳海威科技有限责任公司 | Double-channel receiving and transmitting multifunctional chip |
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US5710984A (en) * | 1995-10-20 | 1998-01-20 | Sharp Microelectronics Technology, Inc. | Radio transceiver with impedance matched test port |
EP1207627A1 (en) | 2000-11-16 | 2002-05-22 | Sony International (Europe) GmbH | An efficient GS;/DSC/UMTS (UTRA/FDD) RF transceiver architecture |
US20070140391A1 (en) | 2005-12-20 | 2007-06-21 | Jianping Pan | Rf complex bandpass-notch filter for rf receiver and tv tuner |
US7477921B2 (en) * | 1997-05-23 | 2009-01-13 | Lot 42 Acquisition Foundation, Llc | Cancellation system for frequency reuse in microwave communications |
US20090135781A1 (en) | 1998-11-26 | 2009-05-28 | Nokia Corporation | Method and arrangement for transmitting and receiving rf signals through various radio interfaces of communication systems |
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US7671693B2 (en) * | 2006-02-17 | 2010-03-02 | Samsung Electronics Co., Ltd. | System and method for a tunable impedance matching network |
US20100297975A1 (en) | 2006-06-27 | 2010-11-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Signal processor and method for processing a receiving signal |
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DE3918257A1 (en) * | 1989-06-05 | 1990-12-06 | Standard Elektrik Lorenz Ag | Matching and filter circuit for transmitter and receiver aerial - has two inductively coupled, parallel resonance circuits, each with adjustable capacity and inductance |
DK1006669T3 (en) * | 1998-11-30 | 2006-11-27 | Bosch Gmbh Robert | Switchable broadband receiver input stage for a multiband receiver |
US6778594B1 (en) * | 2000-06-12 | 2004-08-17 | Broadcom Corporation | Receiver architecture employing low intermediate frequency and complex filtering |
JP2002368642A (en) * | 2001-06-08 | 2002-12-20 | Sony Corp | Receiver and ic |
JP3873671B2 (en) * | 2001-06-12 | 2007-01-24 | ソニー株式会社 | Communication device |
US6993297B2 (en) * | 2002-07-12 | 2006-01-31 | Sony Ericsson Mobile Communications Ab | Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters |
JP3675438B2 (en) * | 2002-10-31 | 2005-07-27 | 松下電器産業株式会社 | High frequency receiver |
US7586384B2 (en) * | 2005-08-15 | 2009-09-08 | Nokia Corporation | Integrated load impedance sensing for tunable matching networks |
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2008
- 2008-09-12 US US12/209,774 patent/US8385841B2/en active Active
- 2008-09-12 EP EP08016117.7A patent/EP2037591B1/en not_active Not-in-force
- 2008-09-12 CA CA2639568A patent/CA2639568C/en not_active Expired - Fee Related
- 2008-09-12 EP EP16156379.6A patent/EP3043471A1/en not_active Withdrawn
-
2013
- 2013-02-25 US US13/776,475 patent/US8923777B2/en active Active
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US5710984A (en) * | 1995-10-20 | 1998-01-20 | Sharp Microelectronics Technology, Inc. | Radio transceiver with impedance matched test port |
US7477921B2 (en) * | 1997-05-23 | 2009-01-13 | Lot 42 Acquisition Foundation, Llc | Cancellation system for frequency reuse in microwave communications |
US20090135781A1 (en) | 1998-11-26 | 2009-05-28 | Nokia Corporation | Method and arrangement for transmitting and receiving rf signals through various radio interfaces of communication systems |
EP1207627A1 (en) | 2000-11-16 | 2002-05-22 | Sony International (Europe) GmbH | An efficient GS;/DSC/UMTS (UTRA/FDD) RF transceiver architecture |
US7636554B2 (en) | 2002-04-22 | 2009-12-22 | Ipr Licensing, Inc. | Multiple-input multiple-output radio transceiver |
US20070140391A1 (en) | 2005-12-20 | 2007-06-21 | Jianping Pan | Rf complex bandpass-notch filter for rf receiver and tv tuner |
US7671693B2 (en) * | 2006-02-17 | 2010-03-02 | Samsung Electronics Co., Ltd. | System and method for a tunable impedance matching network |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150288400A1 (en) * | 2014-04-04 | 2015-10-08 | Marvell World Trade Ltd. | Impedance matching for variable impedance antennas |
US9473185B2 (en) * | 2014-04-04 | 2016-10-18 | Marvell World Trade Ltd. | Impedance matching for variable impedance antennas |
CN106357276A (en) * | 2015-07-13 | 2017-01-25 | 联发科技股份有限公司 | Multi-mixer system and associated receiver and signal processing method |
US9847754B2 (en) * | 2015-07-13 | 2017-12-19 | Mediateck Inc. | Multi-mixer system and associated receiver and signal processing method |
US11709378B2 (en) | 2021-03-17 | 2023-07-25 | Tectus Corporation | IQ matching circuit for contact lens radio receiver |
Also Published As
Publication number | Publication date |
---|---|
EP3043471A1 (en) | 2016-07-13 |
US20140029682A1 (en) | 2014-01-30 |
US8385841B2 (en) | 2013-02-26 |
CA2639568A1 (en) | 2009-03-14 |
CA2639568C (en) | 2014-05-13 |
EP2037591A2 (en) | 2009-03-18 |
EP2037591B1 (en) | 2016-04-13 |
EP2037591A3 (en) | 2014-01-01 |
US20090075601A1 (en) | 2009-03-19 |
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